1120011287 has 2 divisors, whose sum is σ = 1120011288. Its totient is φ = 1120011286.

The previous prime is 1120011257. The next prime is 1120011341. The reversal of 1120011287 is 7821100211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1120011287 - 2¹⁴ = 1119994903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120011257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560005643 + 560005644.

It is an arithmetic number, because the mean of its divisors is an integer number (560005644).

Almost surely, 2^1120011287 is an apocalyptic number.

1120011287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120011287 is an equidigital number, since it uses as much as digits as its factorization.

1120011287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 1120011287 is about 33466.5696927546. The cubic root of 1120011287 is about 1038.5023089109.

Adding to 1120011287 its reverse (7821100211), we get a palindrome (8941111498).

The spelling of 1120011287 in words is "one billion, one hundred twenty million, eleven thousand, two hundred eighty-seven".